bayonet hair

bay·o·net hair

a spindle-shaped developmental defect occurring at the tapered end of the hair.
Farlex Partner Medical Dictionary © Farlex 2012
A developmental defect of the hairshaft with excess keratinization of the upper third, which is common in ichthyosis and seborrhea and may be seen in normal scalps
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

bay·o·net hair

(bā-ŏ-net' hār)
A spindle-shaped developmental defect occurring at the tapered end of a hair.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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